Many of these workers had bosses who would oppress and belittle them, and Tepper studied the effect these bosses had on them. Don't behave in a stupid, annoying, ignorant, selfish, etc. Sutton discusses how to enforce the no asshole rule and gives the Men's Wearhouse and a Fortune company as examples of businesses who have done this successfully. As part of the experiment half of the drivers encountered a researcher who picked up the flyer on their car and threw it on the ground. The theme of this book is that bullying behaviour in the workplace worsens morale and productivity. Don't Be A Martyr? It sold overcopies and won the Quill Award for best business book in This shows assholes can harm and lessen the productivity of not only their victims but everyone in the workplace.